Niba of SciShow explained how many Periodic Table elements actually exist in the human body and how these elements work to keep the body healthy. About 99.9% of your typical human body is made of ...

These are almost one-quarter of the periodic table and are mainly found in ... The complex interplay of elements in the human body is a testament to how fascinating the natural world is.

The section in the middle of the table is called the Transition Metals. If you know what one of the elements in a group is like, you can make predictions about the other elements in a group.